Fix seeding from random device w/o getrandom syscall
[openssl.git] / crypto / x509v3 / v3_pcons.c
index 10d2120c33039ce0df05f2270c6431a606dbadb9..24f7ff49e57c38addda31daae5207fc78d0b438d 100644 (file)
-/* v3_pcons.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2003 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
-
 #include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
 #include <openssl/conf.h>
 #include <openssl/x509v3.h>
+#include "ext_dat.h"
 
-static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
-                               void *bcons, STACK_OF(CONF_VALUE) *extlist);
-static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
-                               X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
+static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
+                                                    *method, void *bcons, STACK_OF(CONF_VALUE)
+                                                    *extlist);
+static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
+                                    X509V3_CTX *ctx,
+                                    STACK_OF(CONF_VALUE) *values);
 
-X509V3_EXT_METHOD v3_policy_constraints = {
-NID_policy_constraints, 0,
-ASN1_ITEM_ref(POLICY_CONSTRAINTS),
-0,0,0,0,
-0,0,
-i2v_POLICY_CONSTRAINTS,
-v2i_POLICY_CONSTRAINTS,
-NULL,NULL,
-NULL
+const X509V3_EXT_METHOD v3_policy_constraints = {
+    NID_policy_constraints, 0,
+    ASN1_ITEM_ref(POLICY_CONSTRAINTS),
+    0, 0, 0, 0,
+    0, 0,
+    i2v_POLICY_CONSTRAINTS,
+    v2i_POLICY_CONSTRAINTS,
+    NULL, NULL,
+    NULL
 };
 
 ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
-       ASN1_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER),
-       ASN1_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER)
+        ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
+        ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
 } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
 
 IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
 
-
-static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
-            void *a, STACK_OF(CONF_VALUE) *extlist)
+static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD
+                                                    *method, void *a, STACK_OF(CONF_VALUE)
+                                                    *extlist)
 {
-       POLICY_CONSTRAINTS *pcons = a;
-       X509V3_add_value_int("Require Explicit Policy",
-                       pcons->requireExplicitPolicy, &extlist);
-       X509V3_add_value_int("Inhibit Policy Mapping",
-                       pcons->inhibitPolicyMapping, &extlist);
-       return extlist;
+    POLICY_CONSTRAINTS *pcons = a;
+    X509V3_add_value_int("Require Explicit Policy",
+                         pcons->requireExplicitPolicy, &extlist);
+    X509V3_add_value_int("Inhibit Policy Mapping",
+                         pcons->inhibitPolicyMapping, &extlist);
+    return extlist;
 }
 
-static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
-            X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
+static void *v2i_POLICY_CONSTRAINTS(const X509V3_EXT_METHOD *method,
+                                    X509V3_CTX *ctx,
+                                    STACK_OF(CONF_VALUE) *values)
 {
-       POLICY_CONSTRAINTS *pcons=NULL;
-       CONF_VALUE *val;
-       int i;
-       if(!(pcons = POLICY_CONSTRAINTS_new())) {
-               X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
-               return NULL;
-       }
-       for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
-               val = sk_CONF_VALUE_value(values, i);
-               if(!strcmp(val->name, "requireExplicitPolicy")) {
-                       if(!X509V3_get_value_int(val,
-                               &pcons->requireExplicitPolicy)) goto err;
-               } else if(!strcmp(val->name, "inhibitPolicyMapping")) {
-                       if(!X509V3_get_value_int(val,
-                               &pcons->inhibitPolicyMapping)) goto err;
-               } else {
-                       X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);
-                       X509V3_conf_err(val);
-                       goto err;
-               }
-       }
-       if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
-               X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
-               goto err;
-       }
+    POLICY_CONSTRAINTS *pcons = NULL;
+    CONF_VALUE *val;
+    int i;
 
-       return pcons;
-       err:
-       POLICY_CONSTRAINTS_free(pcons);
-       return NULL;
-}
+    if ((pcons = POLICY_CONSTRAINTS_new()) == NULL) {
+        X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+    for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
+        val = sk_CONF_VALUE_value(values, i);
+        if (strcmp(val->name, "requireExplicitPolicy") == 0) {
+            if (!X509V3_get_value_int(val, &pcons->requireExplicitPolicy))
+                goto err;
+        } else if (strcmp(val->name, "inhibitPolicyMapping") == 0) {
+            if (!X509V3_get_value_int(val, &pcons->inhibitPolicyMapping))
+                goto err;
+        } else {
+            X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);
+            X509V3_conf_err(val);
+            goto err;
+        }
+    }
+    if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
+        X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS,
+                  X509V3_R_ILLEGAL_EMPTY_EXTENSION);
+        goto err;
+    }
 
+    return pcons;
+ err:
+    POLICY_CONSTRAINTS_free(pcons);
+    return NULL;
+}